yann@475: Check LD_RUN_PATH length, copied from buildroot.
yann@475: 
yann@475:  binutils-2.18.50.0.6/ld/emultempl/elf32.em |    4     4     0     0 ++++
yann@475:  1 file changed, 4 insertions(+)
yann@475: 
yann@475: diff -durN binutils-2.18.50.0.6.orig/ld/emultempl/elf32.em binutils-2.18.50.0.6/ld/emultempl/elf32.em
yann@475: --- binutils-2.18.50.0.6.orig/ld/emultempl/elf32.em	2008-04-03 18:54:25.000000000 +0200
yann@475: +++ binutils-2.18.50.0.6/ld/emultempl/elf32.em	2008-05-02 23:30:08.000000000 +0200
yann@475: @@ -1220,6 +1220,8 @@
yann@475:  	      && command_line.rpath == NULL)
yann@475:  	    {
yann@475:  	      lib_path = (const char *) getenv ("LD_RUN_PATH");
yann@475: +	      if ((lib_path) && (strlen (lib_path) == 0))
yann@475: +		  lib_path = NULL;
yann@475:  	      if (gld${EMULATION_NAME}_search_needed (lib_path, &n,
yann@475:  						      force))
yann@475:  		break;
yann@475: @@ -1405,6 +1407,8 @@
yann@475:    rpath = command_line.rpath;
yann@475:    if (rpath == NULL)
yann@475:      rpath = (const char *) getenv ("LD_RUN_PATH");
yann@475: +  if ((rpath) && (strlen (rpath) == 0))
yann@475: +      rpath = NULL;
yann@475:    if (! (bfd_elf_size_dynamic_sections
yann@475:  	 (link_info.output_bfd, command_line.soname, rpath,
yann@475:  	  command_line.filter_shlib,